This 1.5 - millimeter - wide cross section of a vascular bundle (green and red center) is responsible for transporting water, minerals and nutrients through the trunk. (scientificamerican.com)
It gives you direct access to teachers, other parents, and other students, and from them you get to hear a wide cross section of opinions about and experiences with school food. (thelunchtray.com)
The intervention targeted fathers and incorporated men from a wide cross section of socioeconomic settings with the majority of participants in low socioeconomic locations. (academic.oup.com)